From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF601C43441 for ; Mon, 26 Nov 2018 11:14:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8222C20660 for ; Mon, 26 Nov 2018 11:14:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8222C20660 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730969AbeKZWI2 (ORCPT ); Mon, 26 Nov 2018 17:08:28 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:33080 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730470AbeKZWI1 (ORCPT ); Mon, 26 Nov 2018 17:08:27 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D3D61356D; Mon, 26 Nov 2018 03:14:39 -0800 (PST) Received: from e119886-lin.cambridge.arm.com (unknown [10.37.6.11]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 287373F5AF; Mon, 26 Nov 2018 03:14:34 -0800 (PST) From: Andrew Murray To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Shawn Guo , Sascha Hauer , Will Deacon , Mark Rutland , Benjamin Herrenschmidt , Thomas Gleixner , Borislav Petkov , x86@kernel.org, Ralf Baechle , Paul Burton , James Hogan , Martin Schwidefsky , Heiko Carstens , "David S . Miller" , sparclinux@vger.kernel.org, Michael Ellerman Cc: linux-s390@vger.kernel.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-alpha@vger.kernel.org Subject: [PATCH v2 15/20] s390: perf/events: advertise PMU exclusion capability Date: Mon, 26 Nov 2018 11:12:31 +0000 Message-Id: <1543230756-15319-16-git-send-email-andrew.murray@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1543230756-15319-1-git-send-email-andrew.murray@arm.com> References: <1543230756-15319-1-git-send-email-andrew.murray@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The s390 cpum_cf and cpum_sf PMUs have the capability to exclude events based on context. Let's advertise that we support the PERF_PMU_CAP_EXCLUDE capability to ensure that perf doesn't prevent us from handling events where any exclusion flags are set. Signed-off-by: Andrew Murray --- arch/s390/kernel/perf_cpum_cf.c | 1 + arch/s390/kernel/perf_cpum_sf.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index cc085e2..7b583ed 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -667,6 +667,7 @@ static struct pmu cpumf_pmu = { .start_txn = cpumf_pmu_start_txn, .commit_txn = cpumf_pmu_commit_txn, .cancel_txn = cpumf_pmu_cancel_txn, + .capabilities = PERF_PMU_CAP_EXCLUDE, }; static int cpumf_pmf_setup(unsigned int cpu, int flags) diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index 5c53e97..25a64aa 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -1885,6 +1885,8 @@ static struct pmu cpumf_sampling = { .setup_aux = aux_buffer_setup, .free_aux = aux_buffer_free, + + .capabilities = PERF_PMU_CAP_EXCLUDE, }; static void cpumf_measurement_alert(struct ext_code ext_code, -- 2.7.4